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Qwen3.8-27B at 262k context on a single RTX 5090, with ~24 GB VRAM usage

This story is from 2026-08-26. It is preserved in the archive; the latest stories are on the live feed.

TL;DR: This is NInfer on a single RTX 5090. Qwen3.8-27B is configured for the full 262k context, stays around 24.5 GB dedicated VRAM in my normal desktop setup, and still does ~110-120 tok/s around 200k context. Host KV restore also reduced ~80s cold prefills to roughly 1s restores. Introduction I'…

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  1. 2026-08-26 14:22 · r/LocalLLM
    Qwen3.8-27B at 262k context on a single RTX 5090, with ~24 GB VRAM usage

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